Plugin for PM4 (Fixed Version)

src/Frago9876543210/EasyForms/EasyForms.php

@@ -0,0 +1,59 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Frago9876543210\EasyForms;
+
+use Frago9876543210\EasyForms\forms\CustomForm;
+use pocketmine\{player\Player, plugin\PluginBase};
+use pocketmine\event\{Listener, server\DataPacketReceiveEvent};
+use pocketmine\network\mcpe\protocol\{ServerSettingsRequestPacket, ServerSettingsResponsePacket};
+use ReflectionObject;
+use function json_encode;
+
+class EasyForms extends PluginBase implements Listener{
+
+	public function onEnable() : void{
+		$this->getServer()->getPluginManager()->registerEvents($this, $this);
+	}
+
+    /**
+     * @throws \JsonException
+     */
+    private function sendSetting(Player $player, CustomForm $form) : void{
+		$reflection = new ReflectionObject($player);
+
+		$idProperty = $reflection->getProperty("formIdCounter"); //TODO: sync it with SOF3 PR
+		$idProperty->setAccessible(true);
+		$id = $idProperty->getValue($player);
+
+		$idProperty->setValue($player, ++$id);
+		$id--;
+
+		$pk = new ServerSettingsResponsePacket();
+		$pk->formId = $id;
+		$pk->formData = json_encode($form, JSON_THROW_ON_ERROR);
+		if($player->getNetworkSession()->sendDataPacket($pk)){
+			$formsProperty = $reflection->getProperty("forms");
+			$formsProperty->setAccessible(true);
+
+			$formsValue = $formsProperty->getValue($player);
+			$formsValue[$id] = $form;
+
+			$formsProperty->setValue($player, $formsValue);
+		}
+	}
+
+    /**
+     * @throws \JsonException
+     */
+    public function onDataPacketReceive(DataPacketReceiveEvent $e) : void{
+		$pk = $e->getPacket();
+		if($pk instanceof ServerSettingsRequestPacket){
+			($ev = new ServerSettingsRequestEvent($player = $e->getOrigin()->getPlayer()))->call();
+			if(($form = $ev->getForm()) !== null){
+				$this->sendSetting($player, $form);
+			}
+		}
+	}
+}

src/Frago9876543210/EasyForms/ServerSettingsRequestEvent.php

@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Frago9876543210\EasyForms;
+
+use Frago9876543210\EasyForms\forms\CustomForm;
+use pocketmine\{event\Event, player\Player};
+
+class ServerSettingsRequestEvent extends Event{
+
+	private Player $player;
+	private ?CustomForm $form;
+
+	/**
+	 * @param Player $player
+	 */
+	public function __construct(Player $player){
+		$this->player = $player;
+	}
+
+	/**
+	 * @return Player
+	 */
+	public function getPlayer() : Player{
+		return $this->player;
+	}
+
+	/**
+	 * @return CustomForm|null
+	 */
+	public function getForm() : ?CustomForm{
+		return $this->form;
+	}
+
+	/**
+	 * @param CustomForm|null $form
+	 */
+	public function setForm(?CustomForm $form) : void{
+		$this->form = $form;
+	}
+}

src/Frago9876543210/EasyForms/elements/Button.php

@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Frago9876543210\EasyForms\elements;
+
+class Button extends Element{
+	/** @var Image|null */
+	private $image;
+	/** @var string */
+	private $type;
+
+	/**
+	 * @param string     $text
+	 * @param Image|null $image
+	 */
+	public function __construct(string $text, ?Image $image = null){
+		parent::__construct($text);
+		$this->image = $image;
+	}
+
+	/**
+	 * @return string|null
+	 */
+	public function getType() : ?string{
+		return null;
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function hasImage() : bool{
+		return $this->image !== null;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function serializeElementData() : array{
+		$data = ["text" => $this->text];
+		if($this->hasImage()){
+			$data["image"] = $this->image;
+		}
+		return $data;
+	}
+}

src/Frago9876543210/EasyForms/elements/Dropdown.php

@@ -0,0 +1,70 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Frago9876543210\EasyForms\elements;
+
+use pocketmine\form\FormValidationException;
+
+class Dropdown extends Element{
+	/** @var string[] */
+	private $options;
+	/** @var int */
+	private $default;
+
+	/**
+	 * @param string   $text
+	 * @param string[] $options
+	 * @param int      $default
+	 */
+	public function __construct(string $text, array $options, int $default = 0){
+		parent::__construct($text);
+		$this->options = $options;
+		$this->default = $default;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function getOptions() : array{
+		return $this->options;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getSelectedOption() : string{
+		return $this->options[$this->value];
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getDefault() : int{
+		return $this->default;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getType() : string{
+		return "dropdown";
+	}
+
+	/**
+	 * @return array
+	 */
+	public function serializeElementData() : array{
+		return [
+			"options" => $this->options,
+			"default" => $this->default
+		];
+	}
+
+	public function validate($value) : void{
+		parent::validate($value);
+		if(!isset($this->options[$value])){
+			throw new FormValidationException("Option with index $value does not exist in dropdown");
+		}
+	}
+}

src/Frago9876543210/EasyForms/elements/Element.php

@@ -0,0 +1,74 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Frago9876543210\EasyForms\elements;
+
+use JsonSerializable;
+use pocketmine\form\FormValidationException;
+use function is_int;
+
+abstract class Element implements JsonSerializable{
+	/** @var string */
+	protected $text;
+	/** @var mixed */
+	protected $value;
+
+	/**
+	 * @param string $text
+	 */
+	public function __construct(string $text){
+		$this->text = $text;
+	}
+
+	/**
+	 * @return mixed
+	 */
+	public function getValue(){
+		return $this->value;
+	}
+
+	/**
+	 * @param mixed $value
+	 */
+	public function setValue($value){
+		$this->value = $value;
+	}
+
+	/**
+	 * @return array
+	 */
+	final public function jsonSerialize() : array{
+		$array = ["text" => $this->getText()];
+		if($this->getType() !== null){
+			$array["type"] = $this->getType();
+		}
+		return $array + $this->serializeElementData();
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getText() : string{
+		return $this->text;
+	}
+
+	/**
+	 * @return string|null
+	 */
+	abstract public function getType() : ?string;
+
+	/**
+	 * @return array
+	 */
+	abstract public function serializeElementData() : array;
+
+	/**
+	 * @param mixed $value
+	 */
+	public function validate($value) : void{
+		if(!is_int($value)){
+			throw new FormValidationException("Expected int, got " . gettype($value));
+		}
+	}
+}

src/Frago9876543210/EasyForms/elements/Image.php

@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Frago9876543210\EasyForms\elements;
+
+use JsonSerializable;
+
+class Image implements JsonSerializable{
+	public const TYPE_URL = "url";
+	public const TYPE_PATH = "path";
+
+	/** @var string */
+	private $type;
+	/** @var string */
+	private $data;
+
+	/**
+	 * @param string $data
+	 * @param string $type
+	 */
+	public function __construct(string $data, string $type = self::TYPE_URL){
+		$this->type = $type;
+		$this->data = $data;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getType() : string{
+		return $this->type;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getData() : string{
+		return $this->data;
+	}
+
+	public function jsonSerialize() : array{
+		return [
+			"type" => $this->type,
+			"data" => $this->data
+		];
+	}
+}